//
//  NSObject+GMKVO.h
//  StudyingDemo
//
//  Created by GuoMS on 2018/6/9.
//  Copyright © 2018年 gms. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface NSObject (GMKVO)

- (void)GM_addObserver:(NSObject *)observer forKeyPath:(NSString *)keyPath options:(NSKeyValueObservingOptions)options context:(void *)context;

@end
